(19)

(11)

EP 4 210 601 A1

(12)

(43) Date of publication: 19.07.2023 Bulletin 2023/29 (21) Application number: 21790656.9 (22) Date of filing: 02.09.2021

(51) International Patent Classification (IPC):  A61B 17/22(2006.01) A61M 25/10(2013.01) (52) Cooperative Patent Classification (CPC): A61B 17/22012; A61B 17/2202; A61B 17/22022; A61B 18/26; A61B 2017/00115; A61B 2017/22001; A61B 2017/22007; A61B 2017/22062; A61B 2017/22098; A61B 2018/00154; A61B 2018/00166; A61B 2018/00196; A61B 2018/00202; A61B 2018/0025; A61B 2018/00285; A61B 2018/00369; A61B 2018/00732; A61B 2018/00916; A61B 2018/00982; A61B 2018/2211; A61B 2018/2261; A61B 2018/2266; A61B 2018/2272; A61B 2018/263; A61B 2018/266; A61M 2025/105; A61N 2007/0039; A61B 18/042; A61B 2018/0022 (86) International application number: PCT/US2021/048819 (87) International publication number: WO 2022/055784 (17.03.2022 Gazette 2022/11)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.09.2020 US 202063076035 P 01.09.2021 US 202117463713 (71) Applicant: Bolt Medical, Inc. Carlsbad, CA 92008 (US)	(72) Inventor: LE, Khoi Lake Forest, CA 92630 (US) (74) Representative: Potter Clarkson  Chapel Quarter Mount Street Nottingham NG1 6HQ Nottingham NG1 6HQ (GB)